





'''simple docstring'''

def     __magic_name__							(				__UpperCAmelCase   )    ->       bool:

   '''simple docstring'''







   if not all(x.isalpha() for x in string   ):
      raise ValueError("""String must only contain alphabetic characters."""   )

   __SCREAMING_SNAKE_CASE   				=							sorted(string.lower()   )
   return len(__UpperCAmelCase   ) == len(set(__UpperCAmelCase   )   )


if __name__ == "__main__":
    a   	=    input("Enter a string ").strip()

    a   	=    is_isogram(input_str)
    print(F'''{input_str} is {"an" if isogram else "not an"} isogram.''')









'''simple docstring'''


import os


# All paths are set with the intent you should run this script from the root of the repo with the command
# python utils/check_doctest_list.py
UpperCAmelCase_						:  List[Any]				  =						'.'


if __name__ == "__main__":
				UpperCAmelCase_						:  Any				  =						os.path.join(REPO_PATH, 'utils/documentation_tests.txt')
				UpperCAmelCase_						:  Dict				  =						[]
				UpperCAmelCase_						:  Union[str, Any]				  =						[]
				with open(doctest_file_path) as fp:
								for line in fp:
												UpperCAmelCase_						:  int				  =						line.strip()
												UpperCAmelCase_						:  str				  =						os.path.join(REPO_PATH, line)
												if not (os.path.isfile(path) or os.path.isdir(path)):
																non_existent_paths.append(line)
												all_paths.append(path)
				if len(non_existent_paths) > 0:
								UpperCAmelCase_						:  int				  =						'\n'.join(non_existent_paths)
								raise ValueError(F"`utils/documentation_tests.txt` contains non-existent paths:\n{non_existent_paths}")
				if all_paths != sorted(all_paths):
								raise ValueError('Files in `utils/documentation_tests.txt` are not in alphabetical order.')




